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Finding the Third Proportional to 3,393,423 and 7,318,206

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Solution

The third proportional to 3,393,423 and 7,318,206 is: 15,782,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,423 : 7,318,206 = 7,318,206 : x
  2. Step 2: Convert to fraction form
    3,393,423/7,318,206 = 7,318,206/x
  3. Step 3: Cross multiply
    3,393,423x = 7,318,206 × 7,318,206
  4. Step 4: Simplify right side
    3,393,423x = 53,556,139,058,436
  5. Step 5: Solve for x
    x = 53,556,139,058,436/3,393,423
  6. Step 6: Final answer
    x = 15,782,335.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.